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3.2 Comb selection 

Choosing the right comb for the job is a vital part of preparation for shearing. 
Selection of comb should consider shape of the tip, bevel and width. (see fig. 2) 
 

 

 

Fig. 2 

 
In general: 

  Short bevel is principally used when shearing is at its best and the stock are in 

top condition. 

  Medium bevel is the most widely used comb and suitable for the majority of 

crossbred shearing. 

  Long bevel is particularly suitable for fine wool sheep when the wool is dense 

and sticky. 
 

Width selection should take into account the user’s level of experience with shearing. 
For more information on comb and cutter selection, please visit: 

www.beiyuanshearing.com.au

 

 

3.3 Chickenfeet 

Before mounting chickenfeet, apply a small amount of grease to the two mounting 
holes on the forkbody, then insert the left and right chickenfeet into the left and right 
holes respectively, make sure the safety spring falls into the groove of the 
chickenfeet. 
 
To take out the chickenfeet, twist the chickenfeet 180° then pull outward. 
 
The chickenfeet is secured onto the forkbody by a safety spring, ensure the screw 
holding the safety spring in place is not loose. 
 
 

 

Summary of Contents for BQS-1H

Page 1: ...Page 1 of 17 Instruction Manual For e Shear Mace Electric Handpiece BQS 1 H Xinjiang Beiyuan Tyree Mechanical Engineering Co Ltd ...

Page 2: ...election 5 3 3 Chickenfeet 5 3 4 Remove and replace the fork body assembly and the roller 6 3 6 Adjusting tension 7 IV Operation 8 4 1 Pre work inspection and preparation 8 4 2 Pre use and in use safety and precautions 8 4 3 Using the handpiece 8 V Maintenance and Repair 11 5 1 Regular checks 11 5 2 Repair and maintenance 12 Troubleshooting Guide 13 ...

Page 3: ...tures The e Shear Mace BQS 1 H electric handpiece consists of the electric handpiece assembly and handpiece power supply Its main features are 1 a 48V DC power supply with power saving provides 2 speeds 2900 and 3200rpm 2 ergonomically designed barrel for more comfort and flexibility during operation 3 smooth running low vibration and low noise 4 small size light weight compact easy to operation e...

Page 4: ...b in place 3 1 2 Cutters Insert cutter then tighten the tension nut until the tips of the chickenfeet fit firmly into the two holes on both sides of the cutter 3 1 3 Adjusting and securing comb Adjust the relative positions of the comb and cutter ensure the point at which the bevel of the comb begins is 1 5 to 2 mm from the tip of the middle tooth of the cutter see fig 1 Also ensure that the comb ...

Page 5: ...is dense and sticky Width selection should take into account the user s level of experience with shearing For more information on comb and cutter selection please visit www beiyuanshearing com au 3 3 Chickenfeet Before mounting chickenfeet apply a small amount of grease to the two mounting holes on the forkbody then insert the left and right chickenfeet into the left and right holes respectively m...

Page 6: ...sition when leaving the factory it can suit cutters of different thicknesses Do not re adjust the center post unless necessary If adjustment is necessary first use a worn cutter approx 3 5mm in thickness and a comb of any thickness set the comb in place see adjusting and securing comb above then adjust the roller on the crank spindle to the highest position 3 5 1 Adjusting roller to the highest po...

Page 7: ...d tip into the small hole Apply force to press the retaining spring into the grooves of the thread bush Caution not installing the tension retaining spring could cause loss of tension capacity resulting in damage to the handpiece 3 6 2 Tension problems Be aware that the size of each end of the tensioning pin is different ensure the larger end sits in the tension pin cup Also ensure that the downwa...

Page 8: ...ngling with sheep 6 While on break the handpiece should be turned off to prolong its service life 7 Keep the vents of the handpiece motor free from blockage any wool or debris blocking the vents should be promptly removed 8 If a problem occurs during shearing first shut off the handpiece and cut off the power supply then proceed to perform inspection and maintenance 9 Ensure the handpiece is turne...

Page 9: ...ling press the button and pull out the plug at the bottom of power supply Fig 4 5 Toggling the switch under the control box by a screwdriver available speed 2900 or 3200 rpm See fig 5 showing the position Power supply Cord connector Button Connected Disconnected 1 4 1 7m to the ground ...

Page 10: ...Page 10 of 17 Speed selection Fig 5 ...

Page 11: ... quality synthetic grease for lubricating the gearbox 2 The amount of grease inside the gear box should be between 2 to 3 5 ml Insufficient lubrication could negatively affect the operation of the gearbox and may cause damage Over application could lead to leakage and overheating 3 It s suggestion that adding grease into gear box in 30 running hours or shorn 600 sheep 4 if the rear section of the ...

Page 12: ...refully and follow procedures to disassemble and re assemble this machine for ordinary maintenance When carrying out maintenance work the handpiece should be placed on a dry clean wooden board or held tightly in the hand Do not use a vise or clamp mechanism to hold the handpiece Use special tools for disassembly In the event of a fault the following methods can be used to determine and eliminate i...

Page 13: ...o see if the comb and cutter are sharp and proper tension was applied Re grind the comb and cutter lessen tension pressure Thumb and index finger portion overheating Check the center post and center post nut ensure there is no foreign object in between Lift the crank spindle flush out the foreign object with lubricant Check for signs of wear on the center post or center post nut Replace with new p...

Page 14: ... tension pin tension pin cup or tension sleeve Replace with new parts The thread inside the tension nut is slipping Replace with new parts Cutting issues Check to see if the comb and cutter are sharp Re grind the comb and cutter Check to see if the tips of the cutter display any irregularities Check to see if the comb is too thin which causes the chickenfeet to be in contact with the comb screws R...

Page 15: ...mages on the comb screw Replace comb screw Check for excessive wear at the tips of the chickenfeet Replace chicken feet Occurs in the middle portion Check to see if the roller and the pin on the crank spindle are working properly Replace roller Check to see if the roller is able to move freely within the groove on the fork body Replace fork body Check to see if readjustment to centre post was made...

Page 16: ...Page 16 of 17 Diagram of connections at back of motor ...

Page 17: ...Page 17 of 17 ...

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